Once the bottle is opened, is there a "best used by/expire" time frame?

I too am Japanese, I purchase food in bulk including 1or2 gallon containers of Soy Sauce that I put in smaller decanters for day to day use. I’ve had some of them open for close to a decade or more with no ill effects.

Is this heat treated or pasteurized?

Yes, it is briefly heated to 80 degrees Celcius during the filling process. Scientifically, it has been confirmed that by keeping the temperature at 70 degrees Celsius or higher for at least 1 minute, and by packing in a closed container, pathogenic microorganisms do not grow and toxins are not produced. Our Ponzu sauce is filled at 80 degrees Celsius, which sufficiently satisfies the above condition. Thanks for your purchase and we look forward to doing more buisness with you in the future.

How long does it last after it is opened and kept in the refrigerator?

I've never refrigerated my soy sauce. I've had it on my counter for several months with no problem. I live in Tacoma and it's not really hot here, but believe that soy sauce being so salty doesn't require refrigeration. By the way this soy sauce is amazingly good. I'm on my second bottle!

Shouldn't this be 35 dollars?

If you love a good soy sauce and if you live outside Japan and do not have ready access to top quality soy sauce, then yes, this is truly worth 35 dollars (plus shipping). I recently had the opportunity to use this soy sauce with real wasabi on sashimi (a to-go order from a very good, nearby sushi restaurant) and the experience was like none that I've had in the last 30+ years of eating sashimi. This soy sauce and the real wasabi elevated the fish to a whole new level. Even if you only ever get one bottle to try, it is worth experiencing a top notch food product like this once in your life. (The real wasabi I used is "Muso From Japan Real Wasabi, 1.52 Ounce", available here on Amazon.)

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Yamarok Tsurumo, 16.9 fl oz (500 ml)

Product ID: 688706815

Details

Brand
Yamaroku
Flavour
Soy sauce
Item weight
18 Ounces
Package information
Jar
Specialty

⏳Aged over years for depth

🌾Double soy & wheat concentration

🧴500 ml premium volume

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KD 29.95

Duties & taxes included

In stock

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Description

🌿 Elevate your palate with tradition in every drop!

NATURAL AUTHENTIC - Made with all-natural soy and wheat, honoring time-honored Japanese brewing methods.
TRUSTED CELEBRATED - Highly rated with 4.8 stars from over 3,600 enthusiasts who refuse to settle for ordinary.
RICH COMPLEX FLAVOR - Twice the ingredients deliver a bold, balanced bitterness with a sophisticated aftertaste.
CRAFTED FOR CONNOISSEURS - Experience soy sauce perfected over years in traditional wooden casks, not rushed steel vats.
VERSATILE CULINARY UPGRADE - Transforms everyday dishes—especially sushi and wasabi pasta—into gourmet experiences.

Yamarok Tsurumo is a 500 ml premium soy sauce crafted from soy and wheat, aged for years in wooden casks to develop a rich, complex flavor profile. With double the concentration of ingredients, it offers a thick, natural, and authentic taste that elevates any dish. Highly rated by thousands, this artisanal soy sauce is a must-have for discerning food lovers seeking genuine Japanese quality.

Specifications

ASIN	B0036TFXY0
Age Range Description	3-5 Years
Best Sellers Rank	#34,503 in Grocery ( See Top 100 in Grocery ) #118 in Soy Sauce
Brand	Yamaroku
Brand Name	Yamaroku
Container Type	Jar
Customer Reviews	4.8 out of 5 stars 3,655 Reviews
Flavor	Soy sauce
Flavour	Soy sauce
Item Package Weight	1.03 Kilograms
Item Weight	18 Ounces
Item weight	18 Ounces
Manufacturer	ヤマロク醤油
Model Number	13‐04‐0220
Number of Items	1
Number of Pieces	1
Package information	Jar
Package weight	1.03 Kilograms
Part Number	13‐04‐0220
Size	500ミリリットル (x 1)
Specialty	natural-ingredients
Unit Count	500 Milliliters

Reviews

R**N

Gran sabor

Sabor refinado e intenso, excelente para cocina fria. NO para cocina caliente.

1.04.2026

R**S

Excellent quality and taste

I saw a documentary about this manufacturer and was so impressed with them that I bought this right away. It does not disappoint. The favour is amazing, the right balance of bitterness with a complex aftertaste. Natural and made in old wooden casks over years like it should be and not in steel vats in months.

12.12.2022

M**O

Davvero buona

Imparagonabile alle salse che siamo abituati a trovare nella grande distribuzione: ha completamente un altro sapore. Anzi... ha un sapore. Se a questa ci si abbina anche una pasta che contiene una buona percentuale di wasabi vero, il sushi diventa tutta un'altra esperienza.

10.01.2022

M**L

Fortement recommandé

Je n'avais jamais essayé et par curiosité j'ai comparé avec la sauce classique vendue en grande surface. Conclusion : c'est un autre monde et je pense que ça vaut très largement son prix. Surtout que dans la plupart des plats je mets relativement peu de sauce soja : ça va me durer une bonne année de plats améliorés par rapport à l'ancienne sauce (qui va probablement finir à la poubelle franchement je ne sais plus quoi en faire).

28.08.2022

N**S

Het is het waard

Het is vooral een 'conversation starter', maar ook zeker fijn om te hebben in de keuken voor speciale gerechten. Als vrienden langskomen doen we altijd even een smaaktest; en je proeft 100% het verschil. Daarnaast is het natuurlijk gewoon fijn om mee te koken. De fles gaat nu al een jaar mee en ik heb ongeveer 3/4 gebruikt.

2.05.2023

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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